Analysis of flow in the plate-spiral of a reaction turbine using a streamline upwind Petrov-Galerkin method

被引：0

作者：

Maji, PK ^{[1
]}

Biswas, G ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Mech Engn, Kanpur 208016, Uttar Pradesh, India

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 2000年 / 34卷 / 02期

关键词：

finite element method; hydraulic turbine; prate-spiral; spiral casing; streamline upwind Petrov-Galerkin technique; weak formulation;

D O I：

10.1002/1097-0363(20000930)34:2<113::AID-FLD50>3.0.CO;2-I

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The prediction of the flow field in a novel spiral casing has been accomplished. Hydraulic turbine manufacturers are considering the potential of using a special type of spiral casing because of the easier manufacturing process involved in its fabrication. These special spiral casings are known as plate-spirals. Numerical simulation of complex three-dimensional flow through such spiral casings has been accomplished using a finite element method (FEM). An explicit Eulerian velocity correction scheme has been deployed to solve the Reynolds-average Navier-Stokes equations. The simulation has been performed to describe the flow in high Reynolds number (10(6)) regimes. For spatial discretization, a streamline upwind Petrov-Galerkin (SUPG) technique has been used. The velocity field and the pressure distribution inside the spiral casing reveal meaningful results. Copyright (C) 2000 John Wiley & Sons, Ltd.

引用

页码：113 / 144

页数：32

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